I guess your graphics will be twice as intense. :-)
–
MehrdadFeb 21 '12 at 8:47

I think you are worrying about a problem which hasn't happened yet. Do you see any issues when playing the game? If so, ask this question with some detail as to symptoms. If not - problem solved. (I think you'll probably be fine, but who knows...)
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Rory AlsopFeb 21 '12 at 9:51